Medication, published by HL7 Belgium. This guide is not an authorized publication; it is the continuous build for version 1.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-be/medication/tree/master and changes regularly. See the Directory of published versions

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Extension: MedicationRequest - Off-label use

Official URL: https://www.ehealth.fgov.be/standards/fhir/medication/StructureDefinition/be-ext-OffLabel				Version: 1.1.0
Draft as of 2025-06-27				Computable Name: OffLabel

Indicates that the order placer has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the product.

Context of Use

This extension may be used on the following element(s)

• Element ID: MedicationRequest
• Element ID: MedicationStatement

Usage info

Usages:

• Use this Extension: BeMedicationLine and BeMedicationPrescription

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
offLabel-reason-required	error	Extension	If isOffLabelUse is true, reason must be provided : extension.where(url = 'isOffLabelUse').value.ofType(boolean).where($this = true).exists() implies extension.where(url = 'reason').exists()